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This study proposes an artificial retinal neuron with a vertically integrated optoelectronic memristor (optomemristor) and a neuron transistor (neuristor), inspired by the visual receptive field (VRF) of the biological retina. This design performs pre\u2010processing in the sensor to extract essential image features, such as edges. The optomemristor on top consists of an In\u2010Ga\u2010Zn\u2010O thin film, which detects light, while the neuristor at the bottom is made of a Si field\u2010effect transistor (FET), converting the spikes into an electrical signal. The VRF hardware comprises excitatory (ON\u2010type) and inhibitory (OFF\u2010type) cells. The spiking frequency of the Si FET increases in response to light exposure for ON\u2010type cells, which are composed of a serially connected optomemristor and neuristor. In contrast, OFF\u2010type cells, composed of parallelly connected devices, decrease the spiking frequency under light exposure. The dual\u2010type configuration, which incorporates both ON\u2010 and OFF\u2010type cells, achieves a remarkable 99.8% accuracy in fingerprint pattern classification due to the efficient extraction of edge information. This represents a significant improvement over the 56.1% accuracy of the single\u2010type configuration that relies solely on ON\u2010type cells.<\/jats:p>","DOI":"10.1002\/adma.202513907","type":"journal-article","created":{"date-parts":[[2025,9,25]],"date-time":"2025-09-25T10:10:58Z","timestamp":1758795058000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Neuromorphic Visual Receptive Field Hardware with Vertically Integrated Indium\u2010Gallium\u2010Zinc\u2010Oxide Optoelectronic Memristors over Silicon Neuron Transistors"],"prefix":"10.1002","volume":"38","author":[{"given":"Hyun Wook","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Materials Science and Engineering and Inter\u2010University Semiconductor Research Center Seoul National University  Seoul 08826 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin 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